Home / 179,646.60-247,929-103,176.24

Finding the Fourth Proportional to 179,646.60, 247,929 and 103,176.24

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Solution

The fourth proportional to 179,646.60, 247,929 and 103,176.24 is: 142,392.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,646.60 : 247,929 = 103,176.24 : x
  2. Step 2: Convert to fraction form
    179,646.60/247,929 = 103,176.24/x
  3. Step 3: Cross multiply
    179,646.60x = 247,929 × 103,176.24
  4. Step 4: Simplify right side
    179,646.60x = 25,580,382,006.96
  5. Step 5: Solve for x
    x = 25,580,382,006.96/179,646.60
  6. Step 6: Final answer
    x = 142,392.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.